<template>
  <div>
    <!-- //面包屑导航区 -->
    <el-breadcrumb separator-class="el-icon-arrow-right">
      <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
      <el-breadcrumb-item>活动管理</el-breadcrumb-item>
      <el-breadcrumb-item>活动列表</el-breadcrumb-item>
    </el-breadcrumb>

    <!-- 视图区 -->
    <el-card>
      <!-- 搜索与添加区域 -->
      <el-row :gutter="30">
        <el-col :span="7">
          <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear='getUserList'>
            <el-button slot="append" icon="el-icon-search" @click='getUserList'></el-button>
          </el-input>
        </el-col>
        <el-col :span="4">
          <el-button type="primary" @click='addDialogVisible=true'>添加</el-button>
        </el-col>
      </el-row>

      <!-- 用户列表区域 -->
      <el-table :data="userlist" border stripe>
        <el-table-column type="index"></el-table-column>
        <el-table-column label="姓名" prop="username"></el-table-column>
        <el-table-column label="邮箱" prop="email"></el-table-column>
        <el-table-column label="电话" prop="mobile"></el-table-column>
        <el-table-column label="角色" prop="role_name"></el-table-column>
        <el-table-column label="状态">
          <!-- slot-scope作用域插槽 mgdata相当于一行的数据， 当前行 .row相当于当前行的数据对象
          这里就是用插槽拿到当前行。row是个内置的属性 -->
          <template slot-scope="mgdata">
            <el-switch v-model="mgdata.row.mg_state" @change="userStateChange(mgdata.row)">
            </el-switch>
          </template>
        </el-table-column>
        <el-table-column label="操作" width="180px">
          <template slot-scope="scope">
            <el-button type="primary" icon="el-icon-edit" size="mini" @click='showEditDialog(scope.row.id)'></el-button>
            <el-button type="danger" icon="el-icon-delete" size="mini" @click='removeUserById(scope.row.id)'>
            </el-button>
            <!-- 分配角色按钮文字提示 enterable  文字提示隐藏-->
            <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
              <el-button type="warning" icon="el-icon-setting" size="mini" @click="setRole(scope.row)" ></el-button>
            </el-tooltip>
          </template>
        </el-table-column>
      </el-table>

      <!-- 分页区域  current-page绑定当前页数,page-size绑定当前每页多少条
      layout 页面整数的小组件  total绑定总数
      -->
      <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
        :current-page="queryInfo.pagenum" :page-sizes="[1, 2, 5, 10]" :page-size="queryInfo.pagesize"
        layout="total, sizes, prev, pager, next, jumper" :total="total">
      </el-pagination>

      <!-- 添加按钮的对话框 -->
      <el-dialog title="添加用户信息" :visible.sync="addDialogVisible" width="50%" @close="addDialogClose">
        <!-- 内容主体区域 -->
        <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
          <el-form-item label="用户名" prop="username">
            <el-input v-model="addForm.username"></el-input>
          </el-form-item>
          <el-form-item label="密码" prop="password">
            <el-input v-model="addForm.password"></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="addForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop="mobile">
            <el-input v-model="addForm.mobile"></el-input>
          </el-form-item>
        </el-form>
        <!-- 内容底部区域 -->
        <span slot="footer" class="dialog-footer">
          <el-button @click="addDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="addUser">确 定</el-button>
        </span>
      </el-dialog>

      <!-- 修改用户的对话框 -->
      <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClose">
        <!-- 表单验证 -->
        <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
          <el-form-item label="用户名">
            <el-input v-model="editForm.username" disabled></el-input>
          </el-form-item>
          <el-form-item label="邮箱" prop="email">
            <el-input v-model="editForm.email"></el-input>
          </el-form-item>
          <el-form-item label="手机" prop='mobile'>
            <el-input v-model="editForm.mobile"></el-input>
          </el-form-item>
        </el-form>

        <span slot="footer" class="dialog-footer">
          <el-button @click="editDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="editUserInfo()">确 定</el-button>
        </span>
      </el-dialog>

      <!-- 分配角色对话框 -->
      <el-dialog
        title="分配角色"
        :visible.sync="setRoleDialogVisible"
        width="50%" @close="setRoleClose()" >
        <div>
          <p>当前的用户：{{setUserInfo.username}}</p>
          <p>当前的角色：{{setUserInfo.role_name}}</p>
          <p>分配新角色：
          <el-select v-model="selectRoleId" placeholder="请选择">
              <el-option
                v-for="item in roleList"
                :key="item.id"
                :label="item.roleName"
                :value="item.id">
              </el-option>
            </el-select>
          </p>
        </div>
        <span slot="footer" class="dialog-footer">
          <el-button @click="setRoleDialogVisible = false">取 消</el-button>
          <el-button type="primary" @click="saveRoleInfo()">确 定</el-button>
        </span>
      </el-dialog>

    </el-card>
  </div>
</template>

<script>
  export default {
    created() {
      this.getUserList()
    },
    data() {
      //验证邮箱的规则
      var checkEmail = (rule, value, cb) => {
        //验证邮箱的正则表达式
        const regEmail = /^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,})$/
        //合法邮箱
        if (regEmail.test(value)) return cb()
        //非法
        cb(new Error("请输入合法邮箱"))
      }
      //验证电话的规则
      var checkMobile = (rule, value, cb) => {
        const regMobile = /^1[34578]\d{9}$/
        //合法电话
        if (regMobile.test(value)) return cb()
        //非法
        cb(new Error("请输入合法手机号"))

      }
      return {
        //获取用户列表的参数
        queryInfo: {
          query: '',
          pagenum: 1,
          pagesize: 2
        },
        userlist: [],
        total: 0,
        //控制添加对话框的显示与隐藏
        addDialogVisible: false,
        //控制修改对话框的显示与隐藏
        editDialogVisible: false,
        //控制分配角色对话框的显示与隐藏
        setRoleDialogVisible:false,
        //修改查询到的用户数据
        editForm: {},
        //需要被分配角色的用户信息
        setUserInfo:{},
        //所有角色的数据列表
        roleList:[],
        //已选中的角色id值
        selectRoleId:'',
        //添加用户的表单数据
        addForm: {
          username: '',
          password: '',
          email: '',
          mobile: ''
        },
        //添加用户的规则
        addFormRules: {
          username: [{
              required: true,
              message: '请输入用户名',
              trigger: 'blur'
            },
            {
              min: 3,
              max: 10,
              message: '用户名长度在 3 到 10 个字符',
              trigger: 'blur'
            }
          ],
          password: [{
              required: true,
              message: '请输入密码',
              trigger: 'blur'
            },
            {
              min: 6,
              max: 15,
              message: '密码长度在 6 到 15 个字符',
              trigger: 'blur'
            }
          ],
          email: [{
              required: true,
              message: '请输入邮箱',
              trigger: 'blur'
            },
            {
              validator: checkEmail,
              trigger: 'blur'
            }
          ],
          mobile: [{
              required: true,
              message: '请输入电话',
              trigger: 'blur'
            },
            {
              validator: checkMobile,
              trigger: 'blur'
            }
          ]
        },
        //修改表单的规则
        editFormRules: {
          email: [{
              required: true,
              message: '请输入邮箱',
              trigger: 'blur'
            },
            {
              validator: checkEmail,
              trigger: 'blur'
            }
          ],
          mobile: [{
              required: true,
              message: '请输入电话',
              trigger: 'blur'
            },
            {
              validator: checkMobile,
              trigger: 'blur'
            }
          ]
        }
      }
    },
    methods: {
      //获取用户列表数据
      async getUserList() {
        const {
          data: res
        } = await this.$http.get('users', {
          params: this.queryInfo
        })
        // console.log('数据',res);
        if (res.meta.status !== 200) return this.$message.error('用户列表获取失败')
        this.userlist = res.data.users
        this.total = res.data.total
      },
      //监听pagesize改变事件
      handleSizeChange(newSize) {
        // console.log('新页面大小',newSize);
        this.queryInfo.pagesize = newSize
        //修改玩数据再次调用请求用户列表数据
        this.getUserList()
      },
      // 监听页码值改变事件
      handleCurrentChange(newPage) {
        // console.log('新页数',newPage);
        this.queryInfo.pagenum = newPage
        this.getUserList()
      },
      // 状态修改
      async userStateChange(userinfo) {
        const {
          data: res
        } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
        if (res.meta.status !== 200) {
          userinfo.mg_state = !userinfo.mg_state
          return this.$message.error('更改用户状态失败！')
        }
        this.$message.success('更新用户状态成功！')
      },
      //关闭对话框的重置数据
      addDialogClose() {
        // console.log("关闭",this);
        this.$refs.addFormRef.resetFields()
      },
      //添加用户请求
      addUser() {
        this.$refs.addFormRef.validate(async valid => {
          // console.log("数据测试",valid);
          if (!valid) return
          //用户添加成功发送数据
          const {
            data: res
          } = await this.$http.post('users', this.addForm)
          console.log(res);
          if (res.meta.status !== 201) return this.$message.error("添加用户失败！")
          this.$message.success('添加用户成功！')
          //隐藏添加用户表单框
          this.addDialogVisible = false
          //刷新用户列表数据
          this.getUserList()
        })
      },
      //修改用户对话框
      async showEditDialog(id) {
        // console.log(id);
        //根据id请求用户数据
        const {
          data: res
        } = await this.$http.get('users/' + id)
        if (res.meta.status !== 200) return $message.error('获取用户信息失败')
        this.editForm = res.data
        this.editDialogVisible = true
      },
      //关闭修改对话框重置数据
      editDialogClose() {
        this.$refs.editFormRef.resetFields()
      },
      //修改用户确定提交
      editUserInfo() {
        this.$refs.editFormRef.validate(async valid => {
          if (!valid) return
          //修改用户发送请求
          const {
            data: res
          } = await this.$http.put('users/' + this.editForm.id, {
            email: this.editForm.email,
            mobile: this.editForm.mobile
          })
          // console.log('修改数据',res);
          if (res.meta.status !== 200) return this.$message.error('修改数据失败！')
          //提示修改成功
          this.$message.success('修改数据成功！')
          //关闭对话框
          this.editDialogVisible = false
          //刷新数据
          this.getUserList()
        })
      },
      //根据id删除用户
      async removeUserById(id) {
        // console.log(id);
        //弹框询问
        const confirmResult=await this.$confirm('此操作将永久删除该用户, 是否继续?', '提示', {
          confirmButtonText: '确定',
          cancelButtonText: '取消',
          type: 'warning'
        }).catch(err=>err)
        //如果用户确认删除，返回值为字符串confirm
        //如果用户取消删除，返回值为字符串cancel
        // console.log(confirmResult,'测试');
        if(confirmResult!=='confirm') return this.$message.info('已取消删除')

        console.log('确认删除');
        const {data:res}=await this.$http.delete('users/'+id)
        if(res.meta.status!==200) return this.$message.error('删除用户失败')
        this.$message.success('删除用户成功')
        this.getUserList()
      },
      //展开分配角色对话框
      async setRole(setUserInfo){
        this.setUserInfo=setUserInfo
        //在展开对话框之前获取所有角色的列表
        const {data:res}=await this.$http.get('roles')
        if(res.meta.status!==200) return this.$message.error('获取角色列表失败')
        this.roleList=res.data
        this.setRoleDialogVisible=true
      },
      //点击确定按钮，发送分配角色请求
      async saveRoleInfo(){
        if(!this.selectRoleId) return this.$message.error("请选中分配角色")
        const {data:res}=await this.$http.put(`users/${this.setUserInfo.id}/role`,{ rid:this.selectRoleId })
        if(res.meta.status!==200) return this.$message.error('更新角色失败')
        this.$message.success("更新角色成功")
        this.setRoleDialogVisible=false
        this.getUserList()
      },
      // 监听关闭分配角色对话框
      setRoleClose(){
        this.selectRoleId=''
        this.setUserInfo={}
      }
    }
  }
</script>

<style lang="less" scoped>
</style>
